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Examples of errors detected by the V546…

Examples of errors detected by the V546 diagnostic

V546. The 'Foo(Foo)' class member is initialized with itself.


Boost (C++ libraries)

V546 Member of a class is initialized by itself: 'size1_(size1_)'. sparse_view.hpp 193


BOOST_UBLAS_INLINE
compressed_matrix_view(const compressed_matrix_view& o) :
  size1_(size1_), size2_(size2_),
  nnz_(nnz_),
  index1_data_(index1_data_),
  index2_data_(index2_data_),
  value_data_(value_data_)
{}

Also: size2_, nnz_, index1_data_, index2_data_, value_data_.


OpenToonz

V546 Member of a class is initialized by itself: 'm_subId(m_subId)'. tfarmcontroller.cpp 572


class TaskId
{
  int m_id;
  int m_subId;

public:
  TaskId(int id, int subId = -1) : m_id(id), m_subId(m_subId){};

CryEngine V

V546 Member of a class is initialized by itself: 'eConfigMax(eConfigMax)'. particleparams.h 1013


ParticleParams() :
  ....
  fSphericalApproximation(1.f),
  fVolumeThickness(1.0f),
  fSoundFXParam(1.f),
  eConfigMax(eConfigMax.VeryHigh), // <=
  fFadeAtViewCosAngle(0.f)
{}

ClickHouse

V546 Member of a class is initialized by itself: 'entry(entry)'. PoolWithFailoverBase.h 74


struct TryResult
{
  ....
  explicit TryResult(Entry entry_)
      : entry(std::move(entry))
      , is_usable(true)
      , is_up_to_date(true)
  {
  }
  ....
  Entry entry;
  ....
}

Amazon Lumberyard

V546 Member of a class is initialized by itself: 'eConfigMax(eConfigMax.VeryHigh)'. particleparams.h 1837


ParticleParams() :
  ....
  fSphericalApproximation(1.f),
  fVolumeThickness(1.0f),
  fSoundFXParam(1.f),
  eConfigMax(eConfigMax.VeryHigh), // <=
  fFadeAtViewCosAngle(0.f)
{}

Blender

V546: Member of a class is initialized with itself: 'owned_data_(std::move(owned_data_))' BLI_virtual_array.hh 1212


MutableVArraySpan(MutableVArraySpan &&other)
      : varray_(std::move(other.varray_)),
        owned_data_(std::move(owned_data_)),
        show_not_saved_warning_(other.show_not_saved_warning_)
  {
    this->size_ = varray_.size();
    const CommonVArrayInfo info = varray_.common_info();
    if (info.type == CommonVArrayInfo::Type::Span) {
      this->data_ = reinterpret_cast<T *>(info.data);
    }
    else {
      this->data_ = owned_data_.data();
    }
    other.data_ = nullptr;
    other.size_ = 0;
  }

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